Yaya officially joins the Yosakoi Club, making for four members. They make progress on their preparations for the department store event, but they forget to bring their CD. Sally-sensei says she'll "ask her sister", who, as it turns out, is student council president Machi. The four approach their first performance, but…
Sally-chan-sensei is Machi-san's spinster?
سالي-تشان سينسي هي الأخت العانس لـ(ماتشي)-سان؟
Miss Sally-chan ist Machi-sans Geschwister?
¿La maestra Sally es la "ane-san" de Machi?
¿La profesora Sally es 
la "ane-san" de Machi?
Machi, Sally
c’est ta belle-sœur ?
Machi-san é a ane-san da Sally-chan-sensei?